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javax.sql.rowset.serial.SerialBlob cannot be cast to oracle  RSS feed

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Hi there,

I'm facing this exception.
My code:

and the object rta will be inserted into another object.

The variable of interest in FileBlob hbm is defined as follows:

where the type blob is oracle.sql.BLOB

If I change the oracle.sql.BLOB to javax.sql.rowset.serial.SerialBlob in the hbm, I can insert but when I try to get the blob back I get a deserialize exception so this change is not an option.

but when I save the main Object (a cascade operation) I get the following exception:

Any light on the subject?

Thanks in advance,
It is sorta covered in the JavaRanch Style Guide.
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